$OpenBSD: patch-lib_IlmImfCtl_CMakeLists_txt,v 1.1 2015/09/22 18:38:10 pascal Exp $
--- lib/IlmImfCtl/CMakeLists.txt.orig	Fri Sep 11 14:04:30 2015
+++ lib/IlmImfCtl/CMakeLists.txt	Fri Sep 11 14:04:45 2015
@@ -7,6 +7,11 @@ add_library( IlmImfCtl ${DO_SHARED}
   ImfCtlCopyFunctionArg.cpp
 )
 
+set_target_properties( IlmImfCtl PROPERTIES
+  VERSION ${CTL_VERSION}
+  SOVERSION ${CTL_VERSION}
+)
+
 target_link_libraries( IlmImfCtl IlmCtl IlmImf Iex IlmThread Half )
 
 install( FILES ImfCtlApplyTransforms.h DESTINATION include/OpenEXR )
